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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
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It was to hard...
还真就乘2hahahaha‘
Wow...
thanks for the pro tip
The most confident time
Super simple one — just double the integer and return it.
What would be ideal return value incase of doubling the input cause overflow?
Perl translation
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Please stop posting solutions.
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you got me, no joke
LMAOO i thought i had to convert to a number of type double
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